diff --git a/test/CodeGen/Generic/2006-04-28-Sign-extend-bool.ll b/test/CodeGen/Generic/2006-04-28-Sign-extend-bool.ll
new file mode 100644
index 00000000000..719c66d552e
--- /dev/null
+++ b/test/CodeGen/Generic/2006-04-28-Sign-extend-bool.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | llc
+
+int %test(int %tmp93) {
+	%tmp98 = shl int %tmp93, ubyte 31		; <int> [#uses=1]
+	%tmp99 = shr int %tmp98, ubyte 31		; <int> [#uses=1]
+	%tmp99 = cast int %tmp99 to sbyte		; <sbyte> [#uses=1]
+	%tmp99100 = cast sbyte %tmp99 to int		; <int> [#uses=1]
+	ret int %tmp99100
+}
+